mirror of
https://github.com/enduro2d/enduro2d.git
synced 2025-12-15 00:11:55 +07:00
101 lines
3.7 KiB
C++
101 lines
3.7 KiB
C++
/*******************************************************************************
|
|
* This file is part of the "Enduro2D"
|
|
* For conditions of distribution and use, see copyright notice in LICENSE.md
|
|
* Copyright (C) 2018 Matvey Cherevko
|
|
******************************************************************************/
|
|
|
|
#include "../common.hpp"
|
|
using namespace e2d;
|
|
|
|
namespace
|
|
{
|
|
const char* vs_source_cstr =
|
|
"#version 120 \n"
|
|
" \n"
|
|
"attribute vec3 a_position; \n"
|
|
"attribute vec4 a_color; \n"
|
|
" \n"
|
|
"uniform float u_time = 0.0; \n"
|
|
" \n"
|
|
"varying vec4 color; \n"
|
|
" \n"
|
|
"void main(){ \n"
|
|
" color = a_color; \n"
|
|
" \n"
|
|
" float s = 0.7 + 0.3 * (cos(u_time * 0.003) + 1); \n"
|
|
" gl_Position = vec4(a_position * s, 1.0); \n"
|
|
"}";
|
|
|
|
const char* fs_source_cstr =
|
|
"#version 120 \n"
|
|
" \n"
|
|
"varying vec4 color; \n"
|
|
" \n"
|
|
"void main(){ \n"
|
|
" gl_FragColor = color; \n"
|
|
"}";
|
|
|
|
struct vertex {
|
|
v3f position;
|
|
color32 color;
|
|
};
|
|
|
|
u8 indices[] = {
|
|
0, 1, 2, 2, 1, 3};
|
|
|
|
const vertex vertices[] = {
|
|
{{-0.5f, 0.5f, 0.0f}, color32::red()},
|
|
{{-0.5f, -0.5f, 0.0f}, color32::green()},
|
|
{{ 0.5f, 0.5f, 0.0f}, color32::blue()},
|
|
{{ 0.5f, -0.5f, 0.0f}, color32::white()}};
|
|
}
|
|
|
|
int e2d_main() {
|
|
modules::initialize<debug>()
|
|
.register_sink<debug_console_sink>();
|
|
modules::initialize<input>();
|
|
modules::initialize<window>(v2u{640, 480}, "Enduro2D", false)
|
|
.register_event_listener<window_input_source>(the<input>());
|
|
modules::initialize<render>(the<debug>(), the<window>());
|
|
|
|
auto index_decl = index_declaration(
|
|
index_declaration::index_type::unsigned_byte);
|
|
|
|
auto vertex_decl = vertex_declaration()
|
|
.add_attribute<v3f>("a_position")
|
|
.add_attribute<color32>("a_color").normalized();
|
|
|
|
const auto ps = the<render>().create_shader(
|
|
make_memory_stream(buffer(vs_source_cstr, std::strlen(vs_source_cstr))),
|
|
make_memory_stream(buffer(fs_source_cstr, std::strlen(fs_source_cstr))),
|
|
vertex_decl);
|
|
|
|
const auto ib = the<render>().create_index_buffer(
|
|
buffer(indices, E2D_COUNTOF(indices) * sizeof(indices[0])),
|
|
index_decl,
|
|
index_buffer::usage::static_draw);
|
|
|
|
const auto vb = the<render>().create_vertex_buffer(
|
|
buffer(vertices, E2D_COUNTOF(vertices) * sizeof(vertices[0])),
|
|
vertex_decl,
|
|
vertex_buffer::usage::static_draw);
|
|
|
|
const auto begin_time = time::now_ms();
|
|
|
|
const keyboard& k = the<input>().keyboard();
|
|
while ( !the<window>().should_close() && !k.is_key_just_released(keyboard_key::escape) ) {
|
|
the<render>().set_clear_color({1.f, 0.4f, 0.f, 1.f});
|
|
the<render>().clear(true, true, true);
|
|
|
|
f32 t = (time::now_ms() - begin_time).cast_to<f32>().value;
|
|
ps->set_uniform("u_time", t);
|
|
{
|
|
the<render>().draw(render::topology::triangles, ps, ib, vb);
|
|
}
|
|
the<window>().swap_buffers(true);
|
|
the<input>().frame_tick();
|
|
window::poll_events();
|
|
}
|
|
return 0;
|
|
}
|